CBI Electric DC Solar Battery Isolator 250A in IP67 Enclosure + Noark - QSBS250-SEL

Overview

The CBI Electric QSBS250-SEL 4P (2×2P) 250 A 80 V DC MCB Busbar Set is a complete battery protection and isolation solution designed for renewable energy and battery storage installations.

Featuring CBI’s hydraulic magnetic DC MCB technology, this unit combines high breaking capacity, integrated Selectronic pre-charge circuitry, and a rugged IP67, UV-rated enclosure to deliver safe, reliable, and serviceable battery disconnection.

Key Features

Advanced DC Battery Protection

• Hydraulic magnetic DC MCB technology for precise and reliable protection
• Rated breaking capacity (Icu) of 10 kA
• Purpose-built for battery storage and solar applications

Electrical Ratings & Configuration

• 250 A standard current rating
• 80 V DC rated voltage
• 4 pole configuration (2 × 2P) in a single enclosure

Enclosure & Environmental Performance

• IP67 rated enclosure for dust and water ingress protection
• UV-rated for long-term outdoor installation
• Operating temperature range from -40°C to +85°C

Installation & Integration

• Dual mounting options: DIN rail and mini rail
• Suitable for isolation and maintenance switching
• Includes Noark circuit breaker for Selectronic inverter charger integration

Safety & Security

• Padlockable lockdog mechanism for secure isolation
• All poles housed within a single robust enclosure
• Designed for safe servicing of battery systems

Physical Dimensions

• Enclosure dimensions: 250 mm × 350 mm × 150 mm (deep)